I've long admitted to being a long term holder, but there is a price that I would sell a significant percentage of my stash off at, and we are close to being within an order of magnitude of that number now.
mb300sd, why wait for a specific price to sell most/all? Why not continually sell as the price goes up using something like the SSS divestment plan (
https://bitcointalk.org/index.php?topic=345065.0)? This way, if bitcoin eventually fails, you still do well, and if it becomes a dominant currency, you do extremely well. By adjusting your rake % you can shift the balance between more fiat early on or more wealth should BTC succeed.